1. Reduce the high peak value of the postprandial blood glucose through inhibiting the activity of secondary carbohydrate degradation enzyme and refraining disaccharide absorption in intestine;

2. Promote ß cells to secrete insulin, and then advance the carbohydrate use of cells and the liver glycogen synthesis, as well as improve the carbohydrate metabolism, and finally achieve the purpose of reducing the blood glucose;

3. Inhibit the multiplication of harmful bacteria and relive the abdominal symptoms of bowel sound, exhaust and abdominal distention through increasing the acidity of intestinal contents, and to depress side effect in gastrointestinal.